/*******************************************************************************
 * Copyright (c) 2010, 2010 Xbeam Project and ChenZhiKong.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License. 
 *******************************************************************************/
package org.bellusoft.xbeam.framework.resolve;

/**
 *Abstraction of dependency of one module to another module.
 *
 *<p>One module has dependency on another module means it can't be resolved
 *if no module in the framework resolving context satisfies the requirement of the
 *dependency.Framework resolving context comprised of modules already be resolved maintained
 *by the {@link Resolver resolver} of the running framework instance and 
 *  
 *
 *<p>This interface only 
 *
 *
 *@see ImportPackage
 */
public interface RequiredModule {
	
	/**
	 * Return dependent module of this dependency.
	 * 
	 * @return dependent module.
	 */
	public ModuleResolveData getModule() ; 
	
	/**
	 * Return name of required module.
	 * 
	 * @return name of required module.
	 */
	public String getName() ; 

	/**
	 * Return string representation of this object.  
	 * 
	 * @return string representation of this object.
	 */
	public String value() ; 
	
}
